The Roughneck 12.5-inch Carbine-Gas 1:8 6.5 Grendel AR-15 Freefloat M-Lok Handguard Pistol Upper Build Kit from Davidson Defense is engineered for performance and durability. This upper kit is built on the popular AR-15 platform, featuring a medium profile 12.5-inch barrel constructed from 4150 CrMoV steel with a nitride finish for corrosion resistance and longevity. The 1:8 twist rate accommodates a wide range of bullet weights, optimizing accuracy for the 6.5 Grendel caliber.
The upper includes a carbine gas system for reliable cycling and contains a "Pershing" steel flash can muzzle device with a 5/8x24 thread pitch. The 12-inch M-Lok handguard, made from 6061-T6 aluminum and treated with a Type III hard coat anodized finish, offers modularity and weight savings. Additionally, the micro low-profile gas block is 0.750" in diameter, ensuring efficient gas flow. This kit is ideal for gunsmiths seeking to customize their AR-15 for precision shooting.
Platform: AR-15
Caliber: 6.5 Grendel
Barrel: 12.5-inch, Medium Profile, 1:8 Twist, 4150 CrMoV Steel, Nitride Finish, Carbine Gas System, 5/8x24 Thread Pitch
Muzzle Device: "Pershing" Steel Flash Can, 5/8x24 Thread Pitch, Anodized Finish
Handguard: 12-inch, 6061-T6 Aluminum, M-LOK, Black, Type III Hard Coat Anodized
Gas Block: Micro Low-Profile, 0.750" Steel, Phosphate Finish
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